Pcgf6 suppresses Myc-induced lymphomagenesis [ChIP-seq]
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https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE189989
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Max is an obligate dimerization partner for the Myc transcription factors and for several repressors, such as Mnt, Mxd1-4 and Mga, collectively thought to antagonize Myc function in transcription and oncogenesis. Mga, in particular, is part of the variant Polycomb group repressive complex PRC1.6. Here, we show that ablation of the distinct PRC1.6 subunit Pcgf6 – but not Mga – accelerates Myc-induced lymphomagenesis in Eµ-myc transgenic mice. Unexpectedly, however, Pcgf6 loss shows no significant impact on transcriptional profiles, in neither pre-tumoral B-cells, nor lymphomas. Altogether, these data unravel an unforeseen, Mga- and PRC1.6-independent tumor suppressor activity of Pcgf6. Mapping Pcgf6 and active/repressive histone marks (H3K4me3, H3K4me1, H3K27ac, H3K27me3, H2AK199Ub) genomic distribution in in vitro stabilized lymphomas wild type, Pcgf6-/- or Mga-/-
创建时间：
2022-05-11
